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Semi/Auto BB gun

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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Semi/Auto BB gun

Unread postAuthor: Alster370 » Tue May 31, 2011 3:06 pm

As my first pneumatic is mostly finished , I feel its time to move on to another project using the knowledge I have now gained from my first ever build. Id like to build a 6mm BB gun which would consist of a Pressure washer valve , Reg'd 850psi paintball tank, 8mm tee magazine and a 16" 6mm steel barrel. As I already have a blowgun valve, I will use that as a temp valve before replacing with the pressure washer valve.

Mostly inspired by JSRs 9mm smg http://www.spudfiles.com/forums/9mm-smg-project-and-other-hpa-bbmg-experimentation-t19367.html
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Unread postAuthor: jakethebeast » Wed Jun 01, 2011 12:03 am

but, when you have options withn that 850psi.... MAKE IT 10 MM :D
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Unread postAuthor: Alster370 » Wed Jun 01, 2011 4:07 am

I could, as i would actually get more fps with a bigger calibre according to ggdt. But It wouldn't work to its full potential because im not using a qev?

GGDT estimates 650-700fps with 1.1g 6mm steel ball at 400psi :3
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Unread postAuthor: Alster370 » Tue Jun 07, 2011 12:00 pm

I thought this might be suitable for my uses?

http://cgi.ebay.co.uk/PRESSURE-WASHER-G ... n%3D4%26po%3
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Unread postAuthor: Crna Legija » Tue Jun 07, 2011 12:17 pm

Jsr used one here, many others have too
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Unread postAuthor: Alster370 » Wed Jun 08, 2011 11:11 am

What kind of flow could I expect from one? Can they be modified?
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Unread postAuthor: Crna Legija » Wed Jun 08, 2011 11:22 am

Alster370 wrote:What kind of flow could I expect from one? Can they be modified?


the eBay listing stats 25l/min max but that water i would think air flows much faster.
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